package com.brett.frame.learn.util;

public class Tools {
	public static void initZero(int[] arr) {
		for (int i = 0; i < arr.length; i++) {
			arr[i] = 0;
		}
	}

	public static void initZero(int[][] arr) {
		for (int i = 0; i < arr.length; i++) {
			for (int j = 0; j < arr[i].length; j++) {
				arr[i][j] = 0;
			}
		}
	}
}
